Will I save if I go to a diy filter?

[AQUAMONSTER]

What pump would be best for a 1 1/4?

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[fishman09]

A mag 9 would be good. With head your prolly at 700 gphish. Laguna pumps are good too


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[Sir KeepsAllot]

I build dump filters for my large tanks - basically a rubbermaid sump supported over the tank with water pumped from the tank...and trickling (dumping) back into the tank vs. holes in the bottom of the rubbermaid.

It's much more efficient than a sump because you're only dealing with a foot or so of pump head (vs. 5-6 feet for a sump). I primarily use air-powered boxes and sponges in my fishroom (and very few heaters). Very efficient.

Matt

With a sump, you can hide your filtration elsewhere rather than ontop.


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[paulW]

May go wet/dry. Tank is a 75 so i think ill do 2 1.5 inch overflows with a 700 gallon pump. This is still undecided just cuz im so used to my filtration now i dont know if i wanna change it

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That seems like serious overkill. I just had a 300 gallon tank built for me. Plan on having 2 1000 gallon/hour mag drive pumps in the sump. The manufacturer recommended two 1" drains for that flow.
I would use two 1" drains as opposed to one larger one (Partially protects you in case one drain gets clogged). Anyhow, think about it. Those 1000 gph pumps have 3/4" PVC coming in to the tank from the sump. No need for two 1.5" drains.

 

[dogofwar]

Of course. But you also have to oversize your return pump to achieve decent flow...

Matt

With a sump, you can hide your filtration elsewhere rather than ontop.


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[ska_kid]

Are you trying to do something like this


http://www.youtube.com/watch?v=N01idS3FOrw&feature=youtube_gdata_player
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[paulW]

That seems like serious overkill. I just had a 300 gallon tank built for me. Plan on having 2 1000 gallon/hour mag drive pumps in the sump. The manufacturer recommended two 1" drains for that flow.
I would use two 1" drains as opposed to one larger one (Partially protects you in case one drain gets clogged). Anyhow, think about it. Those 1000 gph pumps have 3/4" PVC coming in to the tank from the sump. No need for two 1.5" drains.

I just measured my returns, they are 1.5" not 1".. I am sorry for posting incorrect information, I hope this did not screw you up. Hopefully you just ignored what I said